Could it be that the test is more sensitive to unwanted residue in the emulsion than residue in the paper (substrate)?
11-23-2010 03:30 PM
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Matt
“Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”
Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2
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